Rislone Nano Prime was years in the making – literally. With customers clamoring for a fully-synthetic Rislone engine + oil treatment, we took our time in research and development to bring you the most advanced engine treatment we have made – ever.

We think the results speak for themselves.

With patented nanotechnology in a fully synthetic oil that massively reduces friction and grants long-term protection to metal in even the most demanding applications (racing, off-road driving, high-stress/high-temp commercial duty, stop & go traffic, etc.), Rislone Nano Prime is what you’ve been waiting for.

Fully synthetic Rislone Nano Prime – more power, more protection, better MPG, smoother and quieter operation. With almost 100 years in the performance chemical business, we’ve learned a thing or two.

And put it in…

Rislone Fuel Injector Cleaner (32 oz. Economy Bottle)
Rislone Fuel Injector Cleaner — the best all-around fuel additive to use with every tank of fuel. From the outset, we engineered it to be far better than your average fuel additive. And we succeeded.

This complete fuel injector tune-up helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation. Its high-performance additives increase power, performance, mileage and help save gas. You can use this product with all gasoline, ULSD diesel and E85 Flex-Fuel engines, as well as all unleaded, oxygenated, reformulated and biofuels.
Discover the Best Fuel Injector Cleaner
Clean fuel injectors are critical for the smooth and efficient operation of your vehicle. In day-to-day use, we don’t think much about our injectors, but they’re high-precision components that occasionally need a…

Rislone Fuel Injector Cleaner (6 oz. Bottle)
Rislone Fuel Injector Cleaner — the best performance fuel additive to use with every fill-up. From the beginning, we engineered this formula to be better than your average fuel additive. With millions of bottles sold worldwide, we’d say we accomplished our mission.

This complete fuel injector cleaner helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation. Its high-performance additives increase power, performance, and mileage (MPG). You can use this product with all gasoline, ULSD diesel and E85 Flex-Fuel engines, as well as all unleaded, oxygenated, reformulated and biofuels.
Easily Keep Your Fuel Injectors Clean
Keeping your car’s fuel injectors clean is critical for maximum performance and the best fuel economy possible. Clean fuel injectors also mean your high-pressure fuel pump and system…

Engineered Specifically for High-Mileage Engines
Young people and older folks aren’t the same: they need different things for optimal health. It’s the same with your car. New engines and older, high-mileage engines have different lubrication and cleaning requirements.

We talk to hundreds of customers every week, and one of the most common conversations we have is about high-mileage engines. How can it be cleaned? What protection does it need? How can it get back to running like it used to? How can I keep it on the road?

It such a common question that we developed the best high-mileage formula on the market: Rislone High-Mileage Engine Treatment. We took our legendary Rislone Engine Treatment – the one that’s been winning awards for decades – and specifically modified…

Boost Your Oil and Achieve Higher Performance
Many Rislone customers are enthusiasts who want the best performance possible out of older cars like hot rods and classic cars. In fact, we’re a bunch of motorheads ourselves. Having adequate engine power to accelerate, merge and pass is not only fun, but is also safer. If your car, truck, van or SUV feels underpowered, it leaves you feeling vulnerable on the road. Our Rislone High-Performance Oil Treatment is designed to restore top performance to your engine and make your car feel like new again.

The secret is our industry-proven, advanced formula that we’ve been perfecting for years. We have over 100 years of experience creating and manufacturing a wide range of engine and fuel treatment products. While we’re…